Live within your income and save so you can invest. Learn what you need to learn.
改变令人不适,但停滞是致命的。
作家是一面反映世界复杂性的镜子。
Innovation isn’t just about technology; it’s about changing the way we think and operate.
P与NP问题是计算机科学中最重要的未解决问题之一。